From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.

Most people use VLC as just a media player, but it can also serve as a surprisingly handy video editor. Its trim feature lets you cut unnecessary parts with precision, while the crop tool helps remove ...

The Uploader is a tool that allows you to upload your own tracks to your BBC Introducing profile, and in turn distributes ...

For scientists, learning more about how black holes behave is essential to understanding how the universe works. A recent ...

Music creation has always been a delicate balance between inspiration and craft. While inspiration remains uniquely human, there is also a lot of repetitive manual work and the technical aspects of ...

The collision and merger of two neutron stars—the incredibly dense remnants of collapsed stars—are some of the most energetic events in the universe, producing a variety of signals that can be ...